Home / Standards / GB/T 44334-2024 GB/T 44334-2024 Active Silicon epitaxial wafers with buried layers 埋层硅外延片 Standard Type GBT ICS 29.045 CCS H82 Status 现行 Issue Date 2024-08-23 Implementation 2025-03-01 Responsible Dept 国家标准委 Drafting Unit N/A